mirror of
https://github.com/bensuperpc/dockcross.git
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40 lines
956 B
Bash
40 lines
956 B
Bash
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#!/bin/bash
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set -ex
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if ! command -v curl &> /dev/null; then
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echo >&2 'error: "curl" not found!'
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exit 1
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fi
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if ! command -v gpg &> /dev/null; then
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echo >&2 'error: "gpg" not found!'
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exit 1
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fi
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GOSU_VERSION=1.10
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dpkgArch=$(if test $(uname -m) = "x86_64"; then echo amd64; else echo i386; fi)
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url="https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-${dpkgArch}"
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url_key="https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-${dpkgArch}.asc"
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# download and verify the signature
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export GNUPGHOME="$(mktemp -d)"
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gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
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echo "Downloading $url"
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curl -o /usr/local/bin/gosu -# -SL $url
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echo "Downloading $url_key"
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curl -o /usr/local/bin/gosu.asc -# -SL $url_key
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gpg --verify /usr/local/bin/gosu.asc
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# cleanup
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rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc
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chmod +x /usr/local/bin/gosu
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# verify that the binary works
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gosu nobody true
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